3.2
a) Yes
b) Acceleration because it is harder to control. It is very sensative
c) position 1 second velocity 10 seconds acceleration, i could not complete it because i am not good enough

4.2
When the ball is near an attraction force or a repulsion it increases speed. The attraction brings it closer and reulsion pushes it away

4.3
a) When the ball is near an attraction force or a repulsion it increases speed. The attraction brings it closer and reulsion pushes it away
b) Yes because it says what it does
c) attraction 1.5 seconds repulsion 2 seconds

3.2
He found the connections with displacement and time, this made him find out about velocity.